package com.sky.interceptor;

import com.sky.constant.JwtClaimsConstant;
import com.sky.context.BaseContext;
import com.sky.properties.JwtProperties;
import com.sky.utils.JwtUtil;
import io.jsonwebtoken.Claims;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 目标：
 *
 * @author Ashely
 * @date 2024/6/14 21:01
 */
@Component
@Slf4j
public class JwtTokenUserInterceptor implements HandlerInterceptor {
    @Autowired
   private JwtProperties jwtProperties;
   public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
       if (!(handler instanceof HandlerMethod)){
           return true;
       }
       String token = request.getHeader(jwtProperties.getUserTokenName());
       try {
           log.info("jwt校验:{}", token);
           Claims claims = JwtUtil.parseJWT(jwtProperties.getUserSecretKey(), token);
           String s = claims.get(JwtClaimsConstant.USER_ID)+"";
           Long userId = Long.valueOf(s);
           log.info("当前用户id为:{}", userId);
           BaseContext.setCurrentId(userId);
           return true;
       } catch (Exception e) {
           response.setStatus(401);
           return false;
       }

   }

}
